Gaya APA
ROBERT, J.M. (1992).
History of the world .
London:
Pinguin Book.
Gaya Chicago
ROBERT, J.M.
History of the world.
London:
Pinguin Book,
1992.
Text.
Gaya MLA
ROBERT, J.M.
History of the world.
London:
Pinguin Book,
1992.
Text.
Gaya Turabian
ROBERT, J.M.
History of the world.
London:
Pinguin Book,
1992.
Print.